Carving-machine



(No Model.) 8 Sheets-Sheet 1.

F. SNOW. GARVING ISZIACHINF.v No. 495,233. Patented Apr. 11, 1893..

- Fulll WITNEESEE.- INVENT |:|1=\ Man. l vv/AID I (No'Moael.) s sheets-sheet 2.

P. SNOW.

GAMING MACHINE. No. 495,233. Patented Apr. 11, 1893.

,VM n-2- VN l CD 5 f' /L e #Nm-.5155- NVE NTUR- MMM. 4.7M QZ..

(No Model.) "a sheetssheen a.

P. SNOW.

GARVING MACHINE. No. 495,238: Patented Apr. 11, 1898.

a m a t UNITED STATES PATENT OFFICE.

FREDERICK SNOV, OF LYNN, MASSACHUSETTS, ASSIGNOR TO THE NATIONAL CARVING COMPANY, OF KITTERY, MAINE.

CARVlNG'lVIACHlNE.

SPECIFICATION forming part of Letters Patent No. 495,233dated April 11, 1893.

Application led August 5, 1892.

To all whom t may concern:

Be it known that I, FREDERICK SNOW, a citizen of the United States, and a resident of Lynn, in the county of Essex and Commonwealth of Massachusetts, have invented a new and useful Improvement in Carving-Machines, of which the following is a specification.

My invention relates to improvements in Io machines of the above class, and consists of a universally movable tracer and rotating cutting tool, respectively revoluble abouta transverse axis, the planes of the longitudinal axes of which may be altered, and mech- I 5 anism connecting said tracer and cutting tool,

' Wherebyany revolution or change in the plane of the longitudinal axis of one produces a coincident revolution or change in the plane of the longitudinal axis of the other.

My invention further consists of the method of mounting tracer and cutting tool, and of rendering the several movements thereof coincident as hereinafter set forth.

The principal object of my invention is to produce a carving machine, upon which patterns may be reproduced, having overhanging projection; the reproduction of which requires what is called in the art an under cut, but a machine containing my improvements 3o is suitable for other classes of Work.

IvIy invention is shown in the accompanying drawings, in which Figure 1 is a front view of machine, embodying same; Fig. 2, an en d view; Fig. 3, a

section on 0.. a. Fig. 2; Fig. 4, a section on line b. b. Fig.' 1.

Similar letters and figures of reference refer to similar parts throughout the several views.

Referring to the drawings, A represents a frame which may be supported by hangers or standards, preferably horizontal orvnearly so. Upon the frame A are the transverse tracks t. t., upon which run the rolls r. r., carrying the frame 2, the frame 2 being thus arranged to move transversely across the frame A. The frame 2 is in turn provided with longitudinal tracks t t', on which run the rolls r. r., carrying the frame 1. The frame 1 thus hav- 5o ing in reference to frame 2 a longitudinal motion, and with reference to frame A, a lonseria No. 442,230. (No man.)

gitudinal and transverse motion. The frame 1 carries the hangers 3. 3., between which is pivoted the tipping frame 4. The front p0rtion 25 of the frame 4 is free to rotate about 55 a longitudinal axis, being provided with suitable bearings in t-he sides of said frame. In the part 25 are mounted the shafts 6. 6., supported by collars, and free to rotate' in the bearings 5. 5., Which form part of said part 6o 25 of frame 4. The shafts 6. 6. are themselves tubular, and running through the centers thereof are the sliding shafts 11. 11, hereinafter more particularly described.

Secured to the shafts 6. 6., below the bearings 5. 5., are the shoulder pieces 7. 7`. The shoulder pieces 7. 7. carry the shafts 2.6. 26., revolubly mounted on bearings therein, to which are rigidly secured the tool carriers 8.

8. adapted to carry respectively the tracer 9, 7o and rotary cutting tool 10. Opposite the tool carriers 8. 8., the shafts 26. 26. carry respectively the pinions 27. 27., which rotate there- With.

Shoulder pieces 13. 13. are secured to the sliding shafts 11. 11.*below the'bearings 5. 5., carrying the racks 12. 12., working over the pinions 27. 27. To the upper portion of the sliding shafts 11. 11. are secured the racks 14. 14., which Work on the pinions 28. 28., secured 8o to the shaft 19., the shaft 19 being revolubly mounted in bearings upon the front part 25 of the tipping frame 4.

To the upper extremities of the shafts 6. 6. are secured the bevel gears 17. 17., in mesh with the bevel gears 15. 15., upon the shaft 16., which is also revolubly mounted in bearings upon the part 25 of the frame 4. A rotary motion is imparted to the cutting tool 10 by the flexible shaft 20, or by any convenient 9o mechanism, connected with source of power.

Beneath the parts hereinbefore described, is the Work bed B, upon which are secured the pattern to be reproduced and material to be carved.

A Weight E suspended from rear portion of frame 4, acts as a counterpoise to the front portion thereof, and its connected mechanism.

The operation of myinventionis as follows: The pattern and material to be carved are seroo cured to the work bed B, approximately below the tracer and cutting tool respectively,

, sired to change the inclination of the tracer and cutting tool to the Work, the tracer may be turned by the operator, turning shaft 26, and by means of pinions 27. 27., racks 13. 13., sliding shafts 11. 11., racks 14. 14., pinions 28. 28., and connecting shaft 19,a coincident rotation is imparted to shaft 26, secured to tool carrier, and carrying cut-ting tool 10. The plane in which the above described rotation occurs may be altered by turning the shoulder piece 7, in which the shaft 26, carrying the tracer 9, has its bearing. When said shoulder is turned, the motion thereof is transferred to the cutting tool, by the shaft 6. 6., bevel gears 17. 17. and 15. 15., secured to shaft 16. Coincident horizontal, vertical, and tipping motion may be imparted to the tracer and cutting tool by means of frames 1, 2, and 4, and the revoluble part 25 of the frame 4. The operator may, by this arrangement, bring the tracer in contact with the pattern, in any desired direction to avoid projecting parts, and the motion of cutting tool Will be coincident therewith, thereby enabling the machine to reproduce designs having over-hanging projection, Where an undercut is required.

I do not consider my invention limited to the special form of mechanism herein shown and described, but

I claim as my invention and desire to secure by Letters Patent-` 1. In a carving machineauniversally movable tracer and rotary cutting tool respectively revoluble about a transverse axis, the planes of the longitudinal axes of which may be altered, and mechanism connecting said tracer and cutting tool, by which any revolution or change in the plane of the longitudinal axis of one produces a coincident revolution or change in the plane of the longitudinal axis of the other, all substantially as set forth and for the purposes specified.

2. In a carving machine a tracer and rotating cutting tool respectively, revoluble about a transverse axis, the planes of the longitudinal axes of which may be altered, and mechanism con necting said tracer and cutting tool, whereby any revolution or change in the plane of the longitudinal Aaxis of one produces a coincident revolution or change in the plane of the longitudinal axis of the other all substantially as set forth and for the purposes specified.

3. In a carving machine a tra-cer and rotating cutting tool respectively, revoluble about a transverse axis and mechanism connecting said tracer and rotating cutting tool whereby lany revolution of one produces a coincident revolution of the other, all substantially as 'set forth, and for the purposes specified.

4. In a carving machine a tracer and rotating cutting tool, the planes of the longitudinal axes of Which may be altered, and mechanism connecting said tracer and rotating cutting tool, whereby any alteration in the plane of the longitudinal axis of one produces a c'oincident alteration in the plane of the longitudinal axis of the other, all substantially `as set forth, and for the purposes specitied.

Dated at Lynn, March 1 1, 1892,. y

FREDERICK SNOW.

Witnesses: l

HENRYl AUSTIN, Y NATHAN WASHBURN. 

